Protein Variants | Comment | Organism |
---|---|---|
additional information | - |
Escherichia coli |
additional information | CysE mutants show strongly reduced enzyme activity | Salmonella enterica subsp. enterica serovar Typhimurium |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
L-cysteic acid | - |
Escherichia coli | |
L-cysteine | - |
Escherichia coli | |
L-cysteine | - |
Salmonella enterica subsp. enterica serovar Typhimurium | |
L-serine | above 3 mM, weak | Escherichia coli | |
L-serine | - |
Salmonella enterica subsp. enterica serovar Typhimurium | |
N-acetyl-L-cysteine | - |
Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.11 | - |
L-serine | - |
Escherichia coli | |
0.56 | - |
acetyl-CoA | - |
Escherichia coli |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
additional information | salt concentrations less than 0.02 M or greater than 0.2 M appreciably decrease reaction rate | Escherichia coli |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + L-serine | Salmonella enterica subsp. enterica serovar Typhimurium | first enzyme in L-cysteine synthesis pathway | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-serine | Escherichia coli | first enzyme in L-cysteine synthesis pathway | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-serine | Escherichia coli B / ATCC 11303 | first enzyme in L-cysteine synthesis pathway | CoA + O-acetyl-L-serine | - |
ir |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
B | - |
Escherichia coli B / ATCC 11303 | - |
B | - |
Salmonella enterica subsp. enterica serovar Typhimurium | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + L-serine | - |
Salmonella enterica subsp. enterica serovar Typhimurium | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-serine | - |
Escherichia coli | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-serine | first enzyme in L-cysteine synthesis pathway | Salmonella enterica subsp. enterica serovar Typhimurium | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-serine | first enzyme in L-cysteine synthesis pathway | Escherichia coli | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-serine | - |
Escherichia coli B / ATCC 11303 | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-serine | first enzyme in L-cysteine synthesis pathway | Escherichia coli B / ATCC 11303 | CoA + O-acetyl-L-serine | - |
ir | |
acetyl-CoA + L-threonine | 0.5% of the activity with L-serine | Escherichia coli | CoA + O-acetyl-L-threonine | - |
? | |
acetyl-CoA + L-threonine | 0.5% of the activity with L-serine | Escherichia coli B / ATCC 11303 | CoA + O-acetyl-L-threonine | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.6 | 7.8 | - |
Escherichia coli |